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    "乐学偶得版权所有 lexueoude.com 公众号：乐学Fintech"
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   "source": [
    "What is special about my class?\n",
    "1)notes and code\n",
    "2)English\n",
    "3)Standard"
   ]
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    "1.History of C:\n",
    "1. Bell Labs,Dennis Ritchie,Ken Thompson \n",
    "2. Unix \n",
    "3. Pascal,BASIC,C is POL（Programmers oriented language）"
   ]
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   "source": [
    "2.Why we choose C as our first language to learn?\n",
    "\n",
    "1)Good Side:\n",
    "One language to rule them all:\n",
    "\n",
    "1.POL（Programmers Oriented Language）:Access to hardware,very simple in converting data,large library, \n",
    "2.Efficiency(speed like assembly language),memory\n",
    "3.Portability(C compilers is everywhere)\n",
    "4.FORTRAN,Python,Unix Operating System\n",
    "\n",
    "2)Bad Side:\n",
    "With great power , comes great responsibility:\n",
    "1.pointer\n",
    "2.difficult"
   ]
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